An object travels 10 meters in the first second of travel, 10 meters again during the second second of travel, and 10 meters again during the third second of travel. what is the objects accelaration of the object? a) 0 m/s2 b) 20m/s2 c) 10m/s2 d) 30m/s2

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.

How do cracks affect the rate of weathering?

Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false